<p>
<a href="http://amzn.to/Owtmjy">Buy this book at Amazon.com</a>

</td>

<td width=130 valign="top">

<h4>Contribute</h4>
If you would like to make a contribution to support my books,
you can use the button below.  Thank you!

<form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top">
<input type="hidden" name="cmd" value="_s-xclick">
<input type="hidden" name="hosted_button_id" value="RAAYAZ7Y48S2A">
<table>
<tr><td><input type="hidden" name="on0" value="Pay what you want!">Pay what you want:</td></tr><tr><td><select name="os0">
	<option value="Small">Small $1.00 USD</option>
	<option value="Medium">Medium $5.00 USD</option>
	<option value="Large">Large $10.00 USD</option>
	<option value="X-Large">X-Large $20.00 USD</option>
	<option value="XX-Large">XX-Large $50.00 USD</option>
</select> </td></tr>
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<input type="hidden" name="currency_code" value="USD">
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</form>

<p>
<h4>Are you using one of our books in a class?</h4>  We'd like to know
about it.  Please consider filling out <a href="http://spreadsheets.google.com/viewform?formkey=dC0tNUZkMjBEdXVoRGljNm9FRmlTMHc6MA" onClick="javascript: pageTracker._trackPageview('/outbound/survey');">this short survey</a>.

<p>
<br>

<p>
<iframe src="http://rcm.amazon.com/e/cm?t=greenteapre01-20&o=1&p=8&l=as1&asins=144933072X&ref=qf_sp_asin_til&fc1=000000&IS2=1&lt1=_blank&m=amazon&lc1=0000FF&bc1=FFFFFF&bg1=FFFFFF&npa=1&f=ifr" style="width:120px;height:240px;" scrolling="no" marginwidth="0" marginheight="0" frameborder="0"></iframe>

<p>
<iframe src="http://rcm.amazon.com/e/cm?t=greenteapre01-20&o=1&p=8&l=as1&asins=1449307116&ref=qf_sp_asin_til&fc1=000000&IS2=1&lt1=_blank&m=amazon&lc1=0000FF&bc1=FFFFFF&bg1=FFFFFF&npa=1&f=ifr" style="width:120px;height:240px;" scrolling="no" marginwidth="0" marginheight="0" frameborder="0"></iframe>

<p>
<iframe src="http://rcm.amazon.com/e/cm?t=greenteapre01-20&o=1&p=8&l=as1&asins=1449314635&ref=qf_sp_asin_til&fc1=000000&IS2=1&lt1=_blank&m=amazon&lc1=0000FF&bc1=FFFFFF&bg1=FFFFFF&npa=1&f=ifr" style="width:120px;height:240px;" scrolling="no" marginwidth="0" marginheight="0" frameborder="0"></iframe>

<p>
<iframe src="http://rcm.amazon.com/e/cm?t=greenteapre01-20&o=1&p=8&l=as1&asins=0521725968&ref=qf_sp_asin_til&fc1=000000&IS2=1&lt1=_blank&m=amazon&lc1=0000FF&bc1=FFFFFF&bg1=FFFFFF&npa=1&f=ifr" style="width:120px;height:240px;" scrolling="no" marginwidth="0" marginheight="0" frameborder="0"></iframe>

</td>
</tr>
</table>
